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Free UK standard shipping on orders over £50
The Mavic Cosmic SL 40 Wheels represent a sophisticated integration of advanced engineering and refined design, tailored for road cyclists who prioritise speed, efficiency, and reliability. Featuring a 40mm NACA-inspired rim profile, these wheels are meticulously crafted to reduce aerodynamic drag while maintaining a lightweight structure that significantly enhances both acceleration and climbing performance. Incorporating Mavic’s proprietary UST Tubeless technology, the Cosmic SL 40 delivers a smoother, more controlled ride with improved grip and a notable reduction in puncture risk, ensuring your road cycling experience is both faster and more comfortable.
Engineered for versatility, the Cosmic SL 40 excels across a broad spectrum of road conditions, from flat stretches to demanding climbs. The innovative iTgMAX brake track ensures consistent and superior braking performance in both wet and dry environments, while the newly designed spokes and hubs contribute to a lively and responsive ride feel. Constructed entirely from 100% carbon fibre and handcrafted in Europe, these wheels embody Mavic’s commitment to durability, stiffness, and efficiency, making them an excellent choice for serious cyclists seeking dependable high performance. Explore more from this distinguished manufacturer in the Mavic collection and discover a range of options within the Wheels category.
With a focus on low inertia and high lateral stiffness, the Cosmic SL 40’s rim bed shape simplifies tyre mounting, enhancing usability without compromising performance. The Infinity Hub design combined with QRM Auto bearing preload technology ensures smooth power transfer and long-lasting precision, allowing riders to maintain confidence and control throughout every ride. This wheelset is engineered to maximise cycling potential, delivering a balanced combination of aerodynamics, durability, and responsiveness that meets the demands of competitive and recreational road cyclists alike.
Is this wheelset suitable for various rider sizes or preferences?
The Cosmic SL 40 wheels are designed to accommodate multiple configurations and tyre sizes within the recommended range, ensuring adaptability to different rider needs and preferences without compromising performance.
What key accessories or add-ons complement this wheelset?
To optimise your cycling setup, consider pairing these wheels with compatible high-performance tyres, quality pedals, helmets, and lighting systems. Explore our selections in the Tyres, Pedals, Helmets, and Lights collections for suitable options.
Stock Status Instock - Instore - Item Usually shipped or available for shop collection, within 48 hours (Mon-Fri)
Instock - Supplier Warehouse - Item is held in Suppliers Warehouse, Depending on the the supplier transfer time can vary from 24 Hours to 14 Days for item held in European warehouse.
(over festive periods some suppliers shut from 24th Dec-2nd Jan so orders can be delayed through this period.)
Brands held in European website include Trek, Bontrager, Electra, Wahoo, Rapha. For up-to-date transfer times please call customer services on +44 (0)1782 768622
Most out products are shipped by FedEx, providing unprecedented reliability and speed. Lightweight Spares below £25.00 value have a Royal Mail postage option, which is sent via Tracked 48 service. - £2.99
Shipping on all Domestic Orders over £50.00 (excluding bikes and home trainers) for delivery within the UK is completely FREE!
Bike and Home Trainers and oversize Goods £15.00 - FedEx
White Glove Bike Delivery - our white glove option has your bike personally delivered to you by a fully trained Mechanic and Bike fitter - £99.99
(Certain bikes will only have this option such as Cargo Bikes)
To Qualify for FREE Shipping:
In some cases, we may ship items out with another courier, depending on the status and availability of items ordered. (Customers will not be charged more and will be refunded any unused postage cost) If part of an order is cancelled and the total drops below the £50.00 free postage, a postage charge may be taken.Â
Delivery costs will be clearly stated on the checkout page, though you will need to register (to provide your delivery address) in order to see the delivery costs.Â
If you have any questions about delivery charges, times or none delivery please do not hesitate to get in touch by email:store@swinnertoncycles.co.uk or by telephone on +44 (0)1782 768622. Handling is normally 48 hours, but at busy periods this may be extended but we will endeavor to process your order within 5 working days. Please bear in mind in some cases orders can take longer to process, please contact us for more details.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.




















